# Add and Multiply Complex Numbers

Related Topics:
Common Core (The Complex Number System)
Common Core for Mathematics

Examples, solutions, videos, and lessons to help High School students know how to use the relation i2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

### Suggested Learning Targets

• I can add complex numbers
• I can subtract complex numbers
• I can multiply complex numbers

Common Core: HSN-CN.A.2

The following table shows how to add and multiply complex numbers. Scroll down the page for more examples and solutions.

### Add and Subtract Complex Numbers

Adding and Subtracting Complex (Imaginary) Numbers. Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.

### Multiply Complex Numbers

Multiplying Complex Numbers. Complex Numbers: Multiplying - Ex 1.
Examples of multiplying two complex numbers and simplifying. Complex Numbers: Multiplying - Ex 2.
Example of multiplying three complex numbers and simplifying. Multiply Complex Numbers
This video provides examples of how to multiply complex numbers.

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